/*
 * Zed Attack Proxy (ZAP) and its related class files.
 * 
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0 
 *   
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */
package org.zaproxy.zap.extension.httppanel.view;

import org.zaproxy.zap.extension.httppanel.Message;


public class ImmutableHttpPanelViewModel implements HttpPanelViewModel {

    private static ImmutableHttpPanelViewModel instance;
    
    public static ImmutableHttpPanelViewModel getInstance() {
        if (instance == null) {
            createInstance();
        }
        return instance;
    }
    
    private static synchronized void createInstance() {
        if (instance == null) {
            instance = new ImmutableHttpPanelViewModel();
        }
    }
    
    @Override
    public void setMessage(Message aMessage) {
    }

    @Override
    public Message getMessage() {
        return null;
    }

    @Override
    public void clear() {
    }

    @Override
    public void addHttpPanelViewModelListener(HttpPanelViewModelListener l) {
    }

    @Override
    public void removeHttpPanelViewModelListener(HttpPanelViewModelListener l) {
    }

}
